SL12 15004-A

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Inrush Current Limiters (ICL), such as SL12 15004-A, are circuits which are designed to limit the inrush of current at a certain level when the load is powered up. An ICL is an important component in many electronic circuits, particularly those that interface with external power sources. Without these devices, the initial surge of current that enters a circuit when power is applied would cause a potentially damaging overload of the circuit components.

A SL12 15004-A ICL consists of a thermistor and a resistance. The thermistor is a temperature sensitive resistor which is designed to have a low resistance initially. This low resistance allows a high starting current to flow into the circuit when power is applied. As the temperature of the thermistor rises, its resistance increases, slowing the rate at which current flows into the circuit and essentially limiting the inrush current. In addition to the thermistor, a series resistance is also present in the circuit to further limit the flow of current.

The SL12 15004-A ICL can be used in a variety of applications, but is most commonly found in switch mode power supplies, motor drives and electronic ballasts. In these types of circuits, it is important to prevent the massive inrush of current that would occur if the components were connected directly to a power source. Instead, using an ICL allows the current to enter at an appropriate level, while still providing enough power for the circuit to function properly.

The SL12 15004-A ICL circuit is also designed to work in a number of different environments. It is temperature rated from -40°C to +90°C and is rated to withstand up to 300 volts of reverse voltage. This makes it suitable for a wide range of applications, including those that require high levels of safety and reliability.

In conclusion, the SL12 15004-A ICL is a useful device for providing a controlled inrush of current in a variety of electronic circuits. By using this device, the circuit components can be protected from excessive current while still providing enough power to ensure that the circuit will function properly. Its temperature rating and reverse voltage rating also make it a suitable device for a wide variety of applications.

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